IS31AP4915A-QFLS2-TR

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The IS31AP4915A-QFLS2-TR is a power operational amplifier IC which provides a wide range of audio amplification. It is the industry’s smallest and most efficient audio power amplifier IC available. This IC is typically used in portable applications such as mobile phones and tablets, as well as various consumer audio applications such as MP3 players, home theater systems and car audio.

The IS31AP4915A-QFLS2-TR uses an integrated circuit (IC) design approach to efficiently deliver large amounts of power for audio applications. Its architecture integrates a high performance audio power amplifier, a low noise preamplifier, and a charge-pump bus converter that provides adjustable power-supply rail voltages. It operates from a single 3.3V supply voltage and can deliver up to 2.2W of output power into a 4Ω load.

The IS31AP4915A-QFLS2-TR’s circuit block diagram incorporates several key features to meet the requirements of audio applications. At the input, an integrated low noise pre-amplifier follows the input signal stage, amplifying the signal and filtering out unwanted noise. Its integrated power amplifier raises the amplified signal level to reach the desired output power levels. The amplifier allows for maximum output power of up to 2.2W at 4Ω load with a THD+N of 0.3%. The integrated charge pump provides the adjustable power rail voltages, allowing the amplifier to operate from a common 3.3V supply voltage.

To control the device’s output power, the IC provides a very simple Gain Adjustment function. By turning the potentiometer located on the device, the user can adjust the gain of the audio power amplifier. This allows users to adjust the device in accordance with their needs.

The IS31AP4915A-QFLS2-TR is well suited for audio applications that require high power and low noise performance from a compact integration. It provides high efficiency and is easy to use, making it a popular choice for audio applications. It is commonly used in portable audio systems such as mobile phones and tablets, as well as consumer audio applications including car audio systems, home theater systems and MP3 players.

In summary, the IS31AP4915A-QFLS2-TR is an audio power amplifier IC optimized for small portable applications and consumer audio applications requiring high power, low noise and efficient operation from a small size package. With its integrated low noise pre-amplifier and power amplifier, the IC provides excellent sound and power performance, allowing users to achieve the desired sound quality. The device is also very easy to use, with the Gain Adjustment providing simple control over the output power.

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